Price by power supply
Pounds as listed, one line per hot tub, 97 listings. Each group has its own scale from its lowest to its highest price; the triangle marks the median.
13 A plug 8 listings
15 to 20 A 5 listings
30 A and more 31 listings
Not stated 53 listings
By power supply
| Supply | Listings | Median price | Median heater (stated) | Lowest price in stock |
|---|---|---|---|---|
| 13 A plug | 8 | £5,099 | 2 kW (3) | Oslo Aero Plus 6-Person Portable Hot TubAd by MSpa, £1,899 at Balance Recovery |
| 15 to 20 A | 5 | £7,534 | 2 kW (5) | Impulse 4-Person Hot TubAd by Cove Spas, £5,344.32 at Balance Recovery |
| 30 A and more | 31 | £7,995 | 3 kW (28) | Equinox 7-Seat 32A Hot TubAd, £6,099 at Steam & Oak |
| Not stated | 53 | £5,499 | 3 kW (28) | Atlantic 4/6-Person Inflatable Hot Tub, Integrated HeaterAd, £260.99 at Wave Spas |
Scroll right for more columns.
What an hour of heating costs
At the Ofgem price cap of 26.32p per kWh (1 October to 31 December 2026), one hour at full power costs for the heater sizes the listings state:
| Heater | One hour at full power |
|---|---|
| 2 kW | £0.53 |
| 3 kW | £0.79 |
A heater does not run all the time; how long it runs depends on the insulation, the cover, the weather and how warm you keep the water. Work it out with your own numbers: running cost calculator. Filter tubs by supply: hot tub finder.
13 amp and 32 amp hot tubs
A 13 amp hot tub plugs into an outdoor socket; a 32 amp tub is hardwired on its own circuit by an electrician. Of the 97 hot tubs in our UK listings, 44 state the current they need.